A licensed private investigator and certified law enforcement instructor, Mr. Siewert has 15 years of experience in law enforcement highlighted by precedent-setting work in electronic and high-tech criminal investigations and digital and computer forensics. His expertise extends to mobile device forensics, cellular call detail record analysis, and online undercover investigations. Mr. Siewert has been trained and certified by multiple governmental entities, including the U.S. Secret Service, U.S. Dept. of Homeland Security, National White Collar Crime Center, and the Public Agency Training Council, as well as multiple digital forensic software providers. Mr. Siewert is a principal consultant for Professional Digital Forensic Consulting, LLC based in Central Virginia, offering forensic data acquisition, analysis, reporting and consulting. He regularly authors technical articles on topics of digital forensics and investigation, and is a frequent technology contributor for multiple media outlets. Mr. Siewert serves as a court-certified expert witness, providing expert consulting and litigation support on cases involving cellular, digital, computer and Internet forensics, records analysis, and technology.


  • Licensed Private Investigator, Virginia
  • +SMART Smartphone Forensics and Cellular Technology Certification
  • Lantern Certified Examiner – Katana Forensics
  • Virginia Department of Criminal Justice Services General Instructor – Law Enforcement
  • BS, Criminal Justice, Virginia Commonwealth University, 1999
  • Seized Computer Evidence Recovery Specialist, Federal Law Enforcement Training Center
  • Basic Computer Evidence Recovery Training, National Computer Forensics Institute, United States Secret Service
  • Basic Data Recovery and Acquisition, National White Collar Crime Center
  • Intermediate Data Recovery and Analysis, National White Collar Crime Center
  • EnCase Forensics, Level 1 & Level 2
  • X-Ways Integrated Forensics Level 1


  • International Association of Computer Investigative Specialists, Member
  • High-Tech Crime Investigator’s Association, Member
  • American Society of Digital Forensics and eDiscovery, Member
  • Information Systems Security Association – Central Virginia Chapter, Member
    • Private Investigator’s Association of Virginia, Member
      Board of Directors, 2016 – Present
    • Legislative Advisory Team Member, 2015 – Present
  • National Rifle Association, Member
  • International Law Enforcement Educators and Trainers Association, Member
  • National Association of Legal Investigators, Member
  • Nominated for Digital Forensic Blog of the Year by Forensic 4:Cast, 2016
  • Richmond, Virginia Chapter of the Society of the Sons of the American Revolution Law Enforcement Commendation Medal, 2011
  • Virginia Society of the Sons of the American Revolution Meritorious Award for Law Enforcement, 2011
  • Louisa County, Virginia Crime Solvers Law Enforcement Officer of the Year, 2011
  • American Legion Post #116 Law Enforcement Commendation Medal (Officer of the Year), 2007
  • Jefferson Area Mothers Against Drunk Driving (MADD) Award for most Driving Under the Influence arrests in Louisa County, 2002, 2003

* Partial bio; contact Humatec for comprehensive CV